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Blueberries vs Lemon: Calories Compared
Lemon is lower in calories (29 vs 57 per 100g). Blueberries has 0.7g protein per 100g versus 1.1g in Lemon.
Per typical serving, Blueberries provides 84 kcal (based on a 148g portion) versus Lemon at 61 kcal (212g). The average adult needs around 2,000 calories per day, so blueberries contributes 4.2% and lemon contributes 3.1% of that daily target per serving. Getting these numbers right for your own portions starts with a digital kitchen scale.
Full nutrition comparison (per 100g)
| Nutrient | Blueberries | Lemon |
|---|---|---|
| Calories | 57 kcal | 29 kcal |
| Protein | 0.7g | 1.1g |
| Carbohydrates | 14.5g | 9.3g |
| of which Sugars | 10g | 2.5g |
| Fat | 0.3g | 0.3g |
| of which Saturates | 0g | 0g |
| Fibre | 2.4g | 2.8g |
| Sodium | 1mg | 2mg |
| Potassium | 77mg | 138mg |
| Calcium | 6mg | 26mg |
| Iron | 0.3mg | 0.6mg |
| Vitamin C | 9.7mg | 53mg |
| Vitamin A | 3µg | 1µg |
| Selenium | 0µg | 0µg |
| Riboflavin (B2) | 0mg | 0mg |
Nutrient-by-nutrient breakdown
- Calories: Blueberries has more (57kcal vs 29kcal per 100g) — a difference of 28kcal. Lemon is the lower-calories option if that is your priority.
- Protein: Lemon has more (1.1g vs 0.7g per 100g) — a difference of 0.4g. Lemon is the stronger source of protein here.
- Carbohydrates: Blueberries has more (14.5g vs 9.3g per 100g) — a difference of 5.2g.
- Sugars: Blueberries has more (10g vs 2.5g per 100g) — a difference of 7.5g. Lemon is the lower-sugars option if that is your priority.
- Fat: both foods contain the same amount (0.3g per 100g).
- Saturated fat: both foods contain the same amount (0g per 100g).
- Fibre: Lemon has more (2.8g vs 2.4g per 100g) — a difference of 0.4g. Lemon is the stronger source of fibre here.
- Sodium: Lemon has more (2mg vs 1mg per 100g) — a difference of 1mg. Blueberries is the lower-sodium option if that is your priority.
- Potassium: Lemon has more (138mg vs 77mg per 100g) — a difference of 61mg. Lemon is the stronger source of potassium here.
- Calcium: Lemon has more (26mg vs 6mg per 100g) — a difference of 20mg. Lemon is the stronger source of calcium here.
- Iron: Lemon has more (1mg vs 0mg per 100g) — a difference of 0mg. Lemon is the stronger source of iron here.
- Vitamin c: Lemon has more (53mg vs 10mg per 100g) — a difference of 43mg. Lemon is the stronger source of vitamin C here.
- Vitamin a: Blueberries has more (3µg vs 1µg per 100g) — a difference of 2µg. Blueberries is the stronger source of vitamin A here.
- Selenium: both foods contain the same amount (0µg per 100g).
- Riboflavin (b2): both foods contain the same amount (0mg per 100g).
Live serving-size calculator
Enter any amount for each food — every figure below recalculates instantly, with % of daily value shown for each nutrient (based on a standard 2,000-calorie reference diet).
| Nutrient | Blueberries | % DV | Lemon | % DV |
|---|
* % Daily Value based on a 2,000-calorie reference diet, the same basis used on nutrition labels in the US and UK. Figures update live as you change the amounts above — no page reload.
Substituting one for the other
Most fruits can be swapped in recipes like smoothies, salads or baking with only minor changes to sweetness and moisture content.
Useful for comparing these foods
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Which should you choose?
If your priority is fewer calories, Lemon is the lower-calorie option at 29 kcal per 100g. If you need more protein, Lemon provides more at 1.1g per 100g. For lower carbohydrates, Lemon has fewer carbs at 9.3g per 100g.
Both blueberries and lemon can form part of a healthy, balanced diet. The best choice depends on your individual goals — whether that is weight management, muscle building, or simply hitting your daily nutritional targets. A meal prep container set makes it easy to portion whichever you choose.
Frequently Asked Questions
Which has more calories, Blueberries or Lemon?
Blueberries has 57 calories per 100g while Lemon has 29 calories per 100g. Blueberries is higher in calories by 28 kcal per 100g.
Which has more protein, Blueberries or Lemon?
Blueberries contains 0.7g of protein per 100g. Lemon contains 1.1g of protein per 100g. Lemon has more protein.
Is Blueberries healthier than Lemon?
Blueberries has 57 kcal, 0.7g protein, 14.5g carbs and 0.3g fat per 100g. Lemon has 29 kcal, 1.1g protein, 9.3g carbs and 0.3g fat per 100g. Which is healthier depends on your goals — higher protein, lower calorie and lower fat foods are generally preferred for weight management.
Which has more fibre, Blueberries or Lemon?
Blueberries contains 2.4g of fibre per 100g, and Lemon contains 2.8g per 100g. Lemon has more fibre. Fibre supports digestion and helps with feeling fuller for longer.
How many calories per serving — Blueberries vs Lemon?
A typical 1 cup of blueberries (148g) is around 84 calories. A typical 1 lemon of lemon (212g) is around 61 calories — a difference of 23 kcal per serving in favour of lemon.
Can I substitute Blueberries for Lemon in recipes?
Most fruits can be swapped in recipes like smoothies, salads or baking with only minor changes to sweetness and moisture content.
Track both accurately
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Figures per 100g from the USDA FoodData Central database (CC0 1.0).